Surgical & Medical Instruments & Apparatus
Standard Industrial Classification: SIC 3841
Industry Insider Sentiment Analysis
The Surgical & Medical Instruments & Apparatus sector (SIC 3841) acts as a critical barometer for broader economic health. Our real-time monitoring reveals total transactions. Monitoring "cluster buying" is one of the most reliable leading indicators for future sector performance. By analyzing aggregate data across this specific Standard Industrial Classification, investors can filter out individual company volatility and identify high-conviction trends. When multiple directors and officers within the same industry move capital simultaneously, it often signals an upcoming sector-wide revaluation or a fundamental shift in supply chain dynamics that has yet to be recognized by the broader public market.
| Filing Date | Trade Date | Ticker | Company | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-11-21 00:05 | 2020-11-19 | DCTH | DELCATH SYSTEMS, INC. | Purpura John | Officer | BUY | $12.68 | 1,600 | $20,288 | 14,713 |
| 2020-11-20 21:01 | 2020-11-18 | PAVM | PAVmed Inc. | SIROVICH MATTHEW | 10% owner | SELL | $1.82 | 100,000 | $181,580 | 1,113,983 |
| 2020-11-21 00:28 | 2020-11-18 | NEPH | NEPHROS INC | Spandow Oliver J. | Director | BUY | $5.83 | 1,500 | $8,749 | 15,734 |
| 2020-11-21 05:35 | 2020-11-19 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | SELL | $37.61 | 4,000 | $150,434 | 10,000 |
| 2020-11-21 05:04 | 2020-11-20 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director, 10% owner | SELL | $37.34 | 6,023 | $224,875 | 366,578 |
| 2020-11-19 22:27 | 2020-11-17 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $12.11 | 2,500 | $30,280 | 191,500 |
| 2020-11-20 00:15 | 2020-11-17 | INSP | Inspire Medical Systems, Inc. | Buchholz Richard | Officer | SELL | $171.66 | 3,000 | $514,986 | 68,651 |
| 2020-11-20 02:29 | 2020-11-19 | RMED | Catheter Precision, Inc. | Stafslien Joan | Director | BUY | $5.67 | 4,410 | $25,002 | 4,410 |
| 2020-11-20 03:29 | 2020-11-17 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $228.63 | 5,000 | $1,143,171 | 15,579 |
| 2020-11-19 15:40 | 2020-11-17 | ATRC | AtriCure, Inc. | Drake Scott William | Director | BUY | $40.54 | 12,350 | $500,669 | 41,036 |
| 2020-11-20 04:37 | 2020-11-17 | PEN | Penumbra Inc | Pray James Robert | Officer | SELL | $258.61 | 5,000 | $1,293,039 | 438,431 |
| 2020-11-20 02:25 | 2020-11-19 | RMED | Catheter Precision, Inc. | COLOMBATTO MARTIN J | Director | BUY | $5.78 | 8,700 | $50,279 | 15,439 |
| 2020-11-20 02:17 | 2020-11-19 | NEPH | NEPHROS INC | Astor Andrew | Director, Officer | BUY | $5.87 | 1,000 | $5,867 | 72,958 |
| 2020-11-20 01:07 | 2020-11-17 | CERS | CERUS CORP | Swisher Daniel N JR | Director | OPT+S | $6.25 | 10,000 | $62,505 | 59,868 |
| 2020-11-19 01:45 | 2020-11-16 | SIBN | SI-BONE, Inc. | Pisetsky Michael A | Officer | SELL | $23.82 | 702 | $16,721 | 48,303 |
| 2020-11-19 04:38 | 2020-11-16 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $262.77 | 567 | $148,991 | 12,828 |
| 2020-11-19 01:45 | 2020-11-16 | SIBN | SI-BONE, Inc. | FRANCIS LAURA | Officer | SELL | $23.82 | 3,925 | $93,489 | 131,336 |
| 2020-11-19 01:45 | 2020-11-16 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $23.82 | 1,610 | $38,348 | 68,882 |
| 2020-11-19 04:36 | 2020-11-16 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | SELL | $38.16 | 6,000 | $228,938 | 14,000 |
| 2020-11-19 00:17 | 2020-11-17 | PODD | INSULET CORP | Lemoine David A | Director | SELL | $250.71 | 1,000 | $250,710 | 6,977 |
| 2020-11-19 02:57 | 2020-11-16 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $341.32 | 1,000 | $341,320 | 13,202 |
| 2020-11-19 01:44 | 2020-11-16 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director, Officer | SELL | $23.82 | 4,493 | $107,018 | 217,878 |
| 2020-11-17 20:37 | 2020-11-17 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $12.11 | 2,500 | $30,280 | 189,500 |
| 2020-11-17 23:00 | 2020-11-13 | SYK | STRYKER CORP | Berry William E Jr | Officer | SELL | $231.84 | 1,275 | $295,597 | 314 |
| 2020-11-18 00:13 | 2020-11-13 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Coleman Glenn | Officer | SELL | $56.03 | 2,600 | $145,666 | 33,894 |
| 2020-11-17 22:01 | 2020-11-16 | MMM | 3M CO | Fong Ivan K | Officer | OPT+S | $172.62 | 15,073 | $2,601,901 | 32,813 |
| 2020-11-18 04:34 | 2020-11-13 | PEN | Penumbra Inc | O'Rourke Bridget | Director | SELL | $271.46 | 65 | $17,645 | 3,128 |
| 2020-11-18 05:00 | 2020-11-16 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director, 10% owner | SELL | $37.80 | 15,311 | $578,711 | 372,601 |
| 2020-11-16 21:20 | 2020-11-16 | DCTH | DELCATH SYSTEMS, INC. | Aharon Gil | Director | BUY | $12.00 | 2,000 | $24,000 | 187,000 |
| 2020-11-16 21:21 | 2020-11-13 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $11.75 | 4,000 | $47,000 | 189,000 |
| 2020-11-17 03:32 | 2020-11-12 | IRTC | iRhythm Holdings, Inc. | King Kevin M | Officer | OPT+S | $255.22 | 31,669 | $8,082,518 | 242,101 |
| 2020-11-17 01:40 | 2020-11-12 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director | SELL | $106.88 | 16,802 | $1,795,830 | 849,588 |
| 2020-11-14 05:03 | 2020-11-05 | RMD | RESMED INC | Leong Justin | Officer | OPT+S | $211.36 | 7,740 | $1,635,926 | 25,386 |
| 2020-11-13 21:43 | 2020-11-13 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $11.51 | 2,000 | $23,020 | 187,000 |
| 2020-11-14 00:14 | 2020-11-12 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Murphy Raymond G. | Director | SELL | $53.16 | 2,839 | $150,921 | 43,196 |
| 2020-11-14 05:06 | 2020-11-11 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | SELL | $265.16 | 8,000 | $2,121,260 | 965,582 |
| 2020-11-14 05:03 | 2020-11-10 | PEN | Penumbra Inc | Bose Arani | Director, Officer | SELL | $255.43 | 7,998 | $2,042,957 | 550,662 |
| 2020-11-12 20:00 | 2020-11-10 | PDEX | PRO DEX INC | Farrell William James III | Director | SELL | $37.15 | 2,800 | $104,014 | 5,600 |
| 2020-11-13 01:00 | 2020-11-12 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.02 | 85,000 | $1,700 | 1,443,313 |
| 2020-11-13 00:48 | 2020-11-09 | TNDM | TANDEM DIABETES CARE INC | Allen Dick | Director | OPT+S | $107.65 | 20,432 | $2,199,425 | 30,000 |
| 2020-11-13 00:08 | 2020-11-09 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Coleman Glenn | Officer | SELL | $55.15 | 9,400 | $518,384 | 36,494 |
| 2020-11-12 21:23 | 2020-11-10 | KIDS | ORTHOPEDIATRICS CORP | Gerritzen Daniel J | Officer | SELL | $47.04 | 8,000 | $376,320 | 31,637 |
| 2020-11-12 21:23 | 2020-11-10 | KIDS | ORTHOPEDIATRICS CORP | Burns Stephen F | Director | SELL | $49.29 | 7,000 | $345,030 | 10,862 |
| 2020-11-12 23:45 | 2020-11-09 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $237.29 | 5,424 | $1,287,086 | 15,579 |
| 2020-11-13 00:49 | 2020-11-10 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director | OPT+S | $100.09 | 25,000 | $2,502,273 | 866,390 |
| 2020-11-13 00:08 | 2020-11-10 | ANIK | Anika Therapeutics Inc. | LAND RAYMOND J | Director | SELL | $36.77 | 3,446 | $126,709 | 9,953 |
| 2020-11-13 01:31 | 2020-11-10 | CTSO | Cytosorbents Corp | Kraus Al | Director | OPT+S | $8.00 | 8,000 | $64,000 | 125,046 |
| 2020-11-12 23:23 | 2020-11-11 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $8.17 | 500 | $4,085 | 14,076,026 |
| 2020-11-13 00:58 | 2020-11-09 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | SELL | $36.60 | 134,312 | $4,916,142 | 2,779,820 |
| 2020-11-12 17:22 | 2020-11-11 | ARAY | Accuray Incorporated | WHITTERS JOSEPH E | Director | BUY | $3.46 | 50,000 | $173,135 | 243,078 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Surgical & Medical Instruments & Apparatus sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3841) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Surgical & Medical Instruments & Apparatus
Every transaction in the Surgical & Medical Instruments & Apparatus industry is reported via Form 4 disclosures. By filtering these filings by industry, investors can detect institutional-scale sentiment shifts before they are reflected in broader market indices, following the capital flow of those with intimate industry knowledge.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.